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  #1  
Old 07-02-2021, 10:31 AM
srode1 srode1 is online now
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Default GMPP Super Magnum T56 vs TUET11009

Is there a difference between the GMPP Super Magnum T56 and the T56 (TUET11009) which most of the aftermarket transmission vendors sell? I talked to a GM performance dealer about pricing and they said their cost was several hundred dollars higher than the going rate for the aftermarket T56 Magnums.
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Old 07-02-2021, 11:36 AM
randy randy is online now
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Super mag has a 40 tooth reluctor so the ecu can read speed. That is literally the only thing. Now if your smart the best way is to buy the cheaper one, get your engine tuned and while hes at it change the speedometer info and bam you have the same thing.
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Old 07-02-2021, 12:19 PM
srode1 srode1 is online now
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interesting, so nobody converts these to the 40 tooth reluctor?
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Old 07-02-2021, 03:37 PM
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Why? Just take 3 min to change the ecu settings and your done
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Old 07-02-2021, 03:39 PM
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https://www.camaros.net/forums/56-pr...sue-fixed.html
Long story short you use this conversion
Your gear ratio / (40/transmission tooth reluctor)
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Old 12-12-2021, 07:42 PM
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The description in camaros.net also worked perfectly for me: LSA w/ Tremec Magnum, 3.60 rear. Leave the VSS pulses at 40, multiply the actual rear gear ratio by 12/40 and enter that value, which came out to 1.08 for me, in the Final Drive, Speedo tab in HP Tuners VCM Editor. I'd be scared to drive my car without the reverse lockout function working correctly!

Last edited by pannetron; 12-12-2021 at 07:45 PM.
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Old 12-13-2021, 08:08 AM
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Quote:
Originally Posted by pannetron View Post
The description in camaros.net also worked perfectly for me: LSA w/ Tremec Magnum, 3.60 rear. Leave the VSS pulses at 40, multiply the actual rear gear ratio by 12/40 and enter that value, which came out to 1.08 for me, in the Final Drive, Speedo tab in HP Tuners VCM Editor. I'd be scared to drive my car without the reverse lockout function working correctly!
Why is that??
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